Nimbus and Omicron are names of demons, nimbus is of water and omicron is of air. So, the jewbies are naming their death weapons after powerful elemental class demons.
Not to worry, just bind and seal all these in Yeshua's name and blood, they become inert in spiritual force and power. Fact.
Revealing that which is concealed. Learning about anything that resembles real freedom. A journey of self-discovery shared with the world. Have no fellowship with the unfruitful works of darkness, but rather reprove them - Ephesians 5-11 Join me and let's follow that high road...